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The world population explosion: causes, backgrounds and -projections for the future
1Centre for Sociological Research / Family & Population Studies (FaPOS), Faculty of Social Sciences, University of Leuven, Parkstraat 45 bus 3601, 3000 Leuven, Belgium.
Facts, Views & Vision in Obgyn
|April 23, 2014
Summary
World population growth is accelerating, driven by fertility rates. Future population trends depend on declining fertility, with significant implications for global poverty, food security, and the environment.
Area of Science:
- Demography
- Population Studies
- Global Health
Background:
- The 19th century marked the first billion people; exponential growth surged in the 20th century.
- World population reached 7 billion post-2010 and is projected to hit 9 billion by 2045.
- Key factors include fertility, family planning, urbanization, and demographic transition.
Purpose of the Study:
- To analyze regional population growth differences.
- To explain the mechanisms of unprecedented population expansion.
- To discuss future population development scenarios.
Main Methods:
- Regional population growth analysis.
- Explanation of population growth drivers.
- Discussion of future scenarios and influencing factors.
Main Results:
- Population growth rates have increased exponentially, particularly in the 20th century.
- Total fertility is a critical factor for long-term population trends.
- Population momentum ensures continued growth despite declining fertility.
Conclusions:
- Declining total fertility, influenced by education and reproductive health, is crucial, especially in Africa.
- Population momentum will sustain global population growth in the near future.
- The population explosion has significant consequences for poverty, food security, the environment, and migration.
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